12118005

素因数分解:

$3^4\times 5^1\times {\mathrm{29921}}^1$

素因数の和:29938

約数の個数: 20

約数和(自身を含む): 21723372

約数和(自身を除く): 9605367

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 29921, 89763, 149605, 269289, 448815, 807867, 1346445, 2423601, 4039335, 12118005]

約数ペア:

[(1, 12118005), (3, 4039335), (5, 2423601), (9, 1346445), (15, 807867), (27, 448815), (45, 269289), (81, 149605), (135, 89763), (405, 29921)]